AcomData Photon Portable Hybrid Drive 80GB 5400RPM USB2.0 External 2.5IN Hard Drive Complete in original box, with USB connector cable USB Dual x Micro USB Manual Driver disc for pre XP systems. Wiped and formatted NTFS, though will work on Mac if you Reformat to Mac system Full specs here: http://www.ncixus.com/products/?sku=33946